1. Letter from Doctor Edward Jenner, to William Dillwyn, Esq., on the effects of vaccination, in preserving from the small-pox: to which are added sundry documents relating to vaccination, referred to and accompanying the letter Author(s): Jenner, Edward, 1749-1823 Publication: [Philadelphia] : Published by the Philadelphia Vaccine Society, William Fry, printer, 1818 Subject(s): Smallpox -- prevention & controlVaccination